rnk added a comment.
In D53541#1353251 <https://reviews.llvm.org/D53541#1353251>, @mgrang wrote:
> > What about the three stack pointer case of stack realignment plus a dynamic
> > alloca? Typically this is the case where recoverfp is necessary.
>
> @rnk Sorry, I missed your comment earlier. I am not sure what scenario the
> three stack pointer case is. Could you please give me a test case for it?
I think you just need a local variable with an alignment greater than the ABI
provides, something like:
struct Foo {
Foo();
int x, y, z;
};
int filter(int);
void may_throw();
void seh_byval(int n) {
Foo __declspec(align(32)) o;
__try {
may_throw();
} __except(filter(o.x)) {
}
}
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https://reviews.llvm.org/D53541/new/
https://reviews.llvm.org/D53541
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